本文共 596 字，大约阅读时间需要 1 分钟。

代码如下：

this->setWindowFlags(Qt::FramelessWindowHint);

在qt的帮助文档中可以看到如下：

Indicates that the widget is a tool window. A tool window is often a small window with a smaller than usual title bar and decoration, typically used for collections of tool buttons. If there is a parent, the tool window will always be kept on top of it. If there isn’t a parent, you may consider using Qt::WindowStaysOnTopHint as well. If the window system supports it, a tool window can be decorated with a somewhat lighter frame. It can also be combined with Qt::FramelessWindowHint. On macOS, tool windows correspond to the

转载地址：https://jackzhang.blog.csdn.net/article/details/103818838 如侵犯您的版权，请留言回复原文章的地址，我们会给您删除此文章，给您带来不便请您谅解！